Line data    Source code

       1             : // Copyright (c) 2009-2021 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <pubkey.h>
       6             : #include <script/interpreter.h>
       7             : #include <test/fuzz/FuzzedDataProvider.h>
       8             : #include <test/fuzz/fuzz.h>
       9             : 
      10             : #include <limits>
      11             : 
      12           4 : FUZZ_TARGET(eval_script)
      13             : {
      14           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      15           0 :     const unsigned int flags = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
      16           0 :     const std::vector<uint8_t> script_bytes = [&] {
      17           0 :         if (fuzzed_data_provider.remaining_bytes() != 0) {
      18           0 :             return fuzzed_data_provider.ConsumeRemainingBytes<uint8_t>();
      19             :         } else {
      20             :             // Avoid UBSan warning:
      21             :             //   test/fuzz/FuzzedDataProvider.h:212:17: runtime error: null pointer passed as argument 1, which is declared to never be null
      22             :             //   /usr/include/string.h:43:28: note: nonnull attribute specified here
      23           0 :             return std::vector<uint8_t>();
      24             :         }
      25           2 :     }();
      26           0 :     const CScript script(script_bytes.begin(), script_bytes.end());
      27           0 :     for (const auto sig_version : {SigVersion::BASE, SigVersion::WITNESS_V0}) {
      28           0 :         std::vector<std::vector<unsigned char>> stack;
      29           0 :         (void)EvalScript(stack, script, flags, BaseSignatureChecker(), sig_version, nullptr);
      30           0 :     }
      31           0 : }